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Chemistry World June 5, 2012 Simon Perks |
Chiral separation with micro-flows How do you separate enantiomers without any kind of chiral recognition between molecules? The answer it seems is to use asymmetric flow in a micro-fluidic channel.  |
Chemistry World July 24, 2009 Nina Notman |
Chiral isotropic liquids from achiral molecules Boomerang-shaped liquid crystal phase molecules that don't exhibit 'handedness' (chirality) have been found to form unusual chiral structures that spontaneously separate into left- and right-handed domains.  |
Chemistry World November 3, 2011 Erica Wise |
A Model for the Single Chirality of Life The boiling solutions in prebiotic hot springs could shed light on the emergence of a single chiral form of biomolecules in nature, say Spanish scientists.  |
Reactive Reports Issue 33 David Bradley |
Two-faced Liquid Crystals A new class of programmable liquid crystals could be used to make variable optical filters for laboratory instrumentation and digital cameras; they might even be used to treat dyslexia.  |
Chemistry World March 5, 2014 Andy Extance |
Rotaxanes make symmetry history A UK team has stumbled upon an efficient way to separately produce each member of an unusual mirror image pair of chemical systems that has eluded scientists for over four decades.  |
Chemistry World July 26, 2007 Tom Westgate |
Counterion Does the Twist US chemists have achieved a breakthrough in the design of catalysts that selectively produce chiral compounds.  |
Chemistry World April 19, 2009 Hayley Birch |
Chiral metals shape up for catalysis Dutch and Israeli scientists have found a way to induce the chirality usually only found in organic materials in palladium.  |
Chemistry World March 28, 2007 Victoria Gill |
New Limits Set on Chirality Researchers have set a new standard in stereochemistry. Measuring Raman optical activity, they have confirmed the spatial arrangement of a molecule with almost impossibly subtle chirality: (R)-[ 2H 1, 2H 2, 2H 3]-neopentane.  |
Chemistry World June 18, 2014 Michael Parkin |
Separation by levitation A team in the US has shown that enantiopure and racemic crystals can be separated by magnetic levitation.  |
Chemistry World November 26, 2010 Amaya Camara-Campos |
Enriching the origin of life theory An enantioenrichment of the amino acid valine, which could shed light on the origin of chirality on Earth, has been achieved by scientists in Spain.  |
Chemistry World March 2, 2007 Philip Ball |
Giving Life a Hand Why are proteins left-handed and nucleic acids right-handed? Once offered only a few sketchy theories, scientists have found more alternatives for creating homochirality.  |
Chemistry World July 16, 2013 Harriet Brewerton |
Accelerating stereochemical analysis A chemosensor has been developed by scientists in the US to speed up the quantitative stereochemical analysis of chiral amino alcohols and diamines.  |
Chemistry World January 11, 2008 Victoria Gill |
Fish Scales Hold Dazzling Secret Scientists in Israel have discovered the surprising secrets of the specialized crystals in fish skin that allow them to shimmer.  |
Chemistry World March 8, 2011 Jon Cartwright |
Carbon nanotubes - a boon for chiral catalysts Researchers in China have created a new catalyst that could help in the production of chiral molecules for medical drugs. The catalyst, which consists of platinum nanoparticles encapsulated in carbon nanotubes, is the most active of its type ever reported.  |
Chemistry World September 17, 2008 Hayley Birch |
Colloids twist like DNA French scientists have used magnetic colloids to make self-assembling, helical structures reminiscent of DNA  |
Chemistry World October 28, 2013 Jennifer Newton |
Crystal within a crystal Colleagues at the University of Strasbourg used a molecular tectonics strategy to prepare the crystals.  |
Chemistry World September 18, 2012 Phillip Broadwith |
Caffeine crystals with an elastic bent Indian chemists have discovered a highly elastic but crystalline material made from caffeine. The crystals maintain their elasticity down to -100 C.  |
Chemistry World August 25, 2011 Fiona McKenzie |
Poking Aspirin with a Sharp Stick Scientists have found a way to go one better than x-ray crystallography to examine pharmaceutical crystals at an even deeper level.  |
Chemistry World May 30, 2013 Andy Extance |
Catalyst duo exerts powerful stereocontrol Chemists from the Swiss Federal Institute of Technology, ETH Zurich, have teamed chiral catalysts in pairs to selectively drive a reaction towards desired stereoisomeric products with high selectivity.  |
Chemistry World November 6, 2009 Phillip Broadwith |
Enzyme binds both sides of the mirror European chemists have discovered that both mirror-image forms of a particular compound can bind at the same time in the same site of an enzyme, a phenomenon that has never been seen before.  |
Chemistry World May 28, 2008 Lewis Brindley |
Changing the face of a water splitting catalyst Australian chemists have grown crystals of the water-splitting catalyst titanium dioxide that are many times more reactive than usual.  |
Chemistry World June 2, 2010 Lewis Brindley |
Reactions in a crystal Crystals that can alter their composition without changing the structure of their solid lattice have been developed by US researchers.  |
Chemistry World September 6, 2006 Michael Gross |
Selective Shortcut Chemists have developed a simple catalyst that speeds up the synthesis of a chiral protected building block used in many complex syntheses.  |
Chemistry World August 9, 2013 Daniel Johnson |
Mystery of jumping crystals solved The riddle of why a certain type of crystal leaps more than 10,000 times its length when exposed to light may have been solved. The crystals' rapid movement is a result of stresses generated in the crystal when light induces a structural change within it.  |
Chemistry World September 25, 2014 Hayley Simon |
Breakup reaction hints at handedness of nature The breakup of 3-bromocamphor molecules bombarded by polarized electrons has given a tantalizing hint of the origins of biological homochirality -- nature's preference for one mirror image of a molecule over another.  |
Chemistry World November 1, 2009 Hayley Birch |
How light gave life a helping hand A new theory for how 'handedness' in organic molecules evolved has been proposed by Dutch scientists.  |
Chemistry World November 18, 2010 Akshat Rathi |
Cellulose used to make smart window materials Using nanocrystalline cellulose from wood pulp, Canadian researchers have for the first time prepared mesoporous chiral nematic structured silica materials that may have potential as tuneable reflective filters in smart windows  |
The Motley Fool September 21, 2006 Jack Uldrich |
Harris & Harris Looks to Separate New technology could lead to safer, more effective drugs. Because of proprietary reasons, it's unlikely that ENS will be able to publicly announce when Big Pharma companies have licensed its technology, but Harris & Harris investors have reason to be optimistic.  |
Chemistry World September 3, 2015 Elisabeth Ratcliffe |
Electric switch makes helix change hands Application of an electric field in the direction opposite to that of the macrodipole reverses the handedness of the structure.  |
Chemistry World May 26, 2015 Victoria Richards |
Crystalline sponge method strikes again Scientists from Japan report that their revolutionary crystallographic technique has determined the stereochemistries of molecules with axial and planar chiralities, where classical methods had failed.  |
Technology Research News April 9, 2003 |
Liquid crystals go 3D Researchers from Sheffield University in England and the University of Pennsylvania have unlocked some of the secrets of liquid crystals, materials that self-assemble into lattices of geometric shapes that are neither solid nor liquid, but somewhere between.  |
Chemistry World May 29, 2006 |
Cash Injection for Zeolite Crystal Growth A fundamental study into crystal growth has grabbed the attention of global industrial oil companies. The porous aluminosilicate structures are used in catalysis for turning oil into petrol, and the details of how they grow on the atomic scale remain a mystery.  |
Chemistry World March 23, 2009 Hayley Birch |
Speeding up screening for chiral catalysts U.S. researchers say their method represents a 'standard workhorse' for discovery and optimisation of chiral catalysts, such as those widely used by the pharmaceutical and pesticide industries.  |
Chemistry World July 6, 2012 Laura Howes |
Mobius molecules with a twist Glasgow-based chemists have managed to make a chiral molecule from achiral starting materials by using a simple Mo 4O 8 unit to introduce a twist to the cluster and turn it into a Mobius strip.  |
Chemistry World April 29, 2009 James Urquhart |
Huge pores in zeolite molecular sieve Researchers in Spain and Sweden have synthesized and structurally determined a new kind of crystalline molecular sieve with extra large holes and chiral properties.  |
Reactive Reports May 2007 David Bradley |
Meeting of Molecular Movie Stars New footage confirms Linus Pauling's theory of chemical bonding proposed half a century ago, and could help explain molecular recognition processes important throughout supramolecular chemistry and molecular biology.  |
Chemistry World May 3, 2013 Alison Rodger |
VCD spectroscopy for organic chemists I highly recommend VCD Spectroscopy, by Philip Stephens and others, for organic chemists as the textbook of choice on this useful topic.  |
Chemistry World February 1, 2008 Victoria Gill |
Snapshots Reveal Bone Mineral's Strength Secret Researchers in the Netherlands have produced the first real-time, three-dimensional images of the formation of calcium carbonate crystals, a robust biological mineral that holds promise as a future bone replacement material.  |
Chemistry World February 10, 2011 James Urquhart |
Molecular motor controls chirality A single molecule catalytic system that uses a light driven molecular motor to dynamically control the molecule's chiral states has been developed by scientists in the Netherlands.  |
Chemistry World May 24, 2013 David Bradley |
Microwaves show their hand The chirality of a gas phase molecule held in an electric field can be revealed using microwave spectroscopy. Hooking the technique to a separation step might even be exploited to isolate a specific enantiomer from a racemic mixture of both forms.  |
Chemistry World May 24, 2012 Jon Evans |
Can magma crystals predict eruptions? Mineral crystals blasted out from volcanoes can provide a window into the powerful processes going on inside those volcanoes, say UK and German earth scientists.  |
Chemistry World September 6, 2013 Melissae Fellet |
Unravelling stereochemistry via mass spectrometry Researchers have used mass spectrometry to determine the stereochemistry of a prototypical chiral molecule, CHBrClF.  |
Chemistry World September 20, 2007 Lewis Brindley |
New Catalyst Rings the Changes Organic chemists in the US have developed a method to control the stereochemistry of a useful intramolecular Diels-Alder reaction.  |
Chemistry World March 27, 2014 Simon Hadlington |
Popcorn-like explosion of single crystals explained Chemists have created single crystals of metal coordination complexes that explode violently when exposed to UV light, leaping high into the air.  |
Geotimes June 2007 Megan Sever |
Colossal Crystals Discovered in Cave In one of the largest lead and silver mines in the world, workers discovered what researchers are calling the "cathedral" of giant gypsum crystals about 300 meters below ground.  |
Chemistry World June 15, 2015 Tim Wogan |
Long range chirality transfer observed A new method to detect biomolecules by using a plasmonic nanoparticle to transfer their chirality onto an achiral dye has been developed by researchers  |
Chemistry World June 16, 2008 Simon Hadlington |
Nano-embrace makes insulators conduct Scientists in The Netherlands have discovered that placing two highly insulating compounds next to each other creates an interface between them that conducts electricity.  |
Chemistry World October 18, 2011 Steve Down |
Cofactor Control of Catalysis Enantioselectivity Scientists have used cofactors to control the enantioselectivity of supramolecular transition metal catalysts, enabling the asymmetric hydrogenation of a series of acrylates and related compounds with remarkably high selectivities.  |
Chemistry World February 7, 2014 Emma Stoye |
Crystal ribbons grow on a curve Colleagues at Harvard University in the US investigated the effects of elastic stress on crystals, which is increased by growing them on a curved surface rather than a flat one.  |
Chemistry World March 20, 2014 James Urquhart |
Nanoparticle composites make colorful magnetic crystals Incorporating nanoparticles into single crystal materials can imbue them with new properties, such as color and magnetism, thanks to gel crystallization techniques developed independently by UK and Chinese research groups.  |